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    Influence of Tooth Surface Geometry on Bending Fatigue Life of Face Gear by Yan Hongzhi, Wen Guangxu, Li Chao, Zhou Tengfei

    Published 2015-01-01
    “…Based on the coordinate transformation and meshing theory,the tooth surface equation of face gear is deduced.The finite element model of the different parameters(pressure angle,modulus)of face gear transmission is built,the influence of tooth face parameters on tooth root bending stresses,contact area and the distribution rule of bending stresses along the direction of tooth height and width are analyzed.Based on modified local stress-strain method,the fatigue crack initiation life in different roughness of grinding and milling tooth face is calculated.And the fatigue crack propagation life is predicted with damage tolerant design method.The results prove that the pressure angle has a great influence on the tooth face bending fatigue life,especially for the crack initiation life.A larger pressure angle is helpful to improve the tooth face bending fatigue comprehensive life.In addition,grinding method is more conducive to improve the tooth face bending fatigue life than milling method.This study provides a basis for the anti-fatigue design of face gear.…”
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  5. 765

    Kültür'e Bakış ya da Kültürel Bakış: Binde İki by Bülent Yılmaz

    Published 2000-03-01
    “…Bir başka deyişle, kültür bu alanlarda üretilenlerden başka birşey değildir. …”
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  6. 766

    A Low Profile Ultrawide Band Monopole Antenna for Wearable Applications by Srinivas Doddipalli, Ashwin Kothari, Paritosh Peshwe

    Published 2017-01-01
    “…The main objective of this paper is to design a miniaturized ultrawide band monopole planar antenna which can work efficiently in free space but also on the surface of the human body. …”
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  7. 767

    A Case of Rectal Dieulafoy’s Ulcer and Successful Endoscopic Band Ligation by Yukako Yoshikumi, Hirosato Mashima, Junko Suzuki, Yutaka Yamaji, Makoto Okamoto, Keiji Ogura, Takao Kawabe, Masao Omata

    Published 2006-01-01
    “…Endoscopic band ligation is an effective treatment for bleeding rectal Dieulafoy’s ulcer.…”
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  8. 768

    Extraction of Water Treatment Coagulant from Locally Abundant Kaolin Clays by Fidelis Chigondo, Benias Chomunorwa Nyamunda, Vuyo Bhebhe

    Published 2015-01-01
    “…A study is carried out to investigate the extraction of alum from locally abundant kaolin clays using sulphuric acid. Alum is a coagulant that is used for raw water treatment. …”
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  9. 769

    Flat-band ratio and quantum metric in the superconductivity of modified Lieb lattices by Reko P. S. Penttilä, Kukka-Emilia Huhtinen, Päivi Törmä

    Published 2025-01-01
    “…Abstract Flat bands may offer a route to high critical temperatures of superconductivity. …”
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  10. 770

    Prediction of mechanical characteristics of shearer intelligent cables under bending conditions. by Lijuan Zhao, Dongyang Wang, Guocong Lin, Shuo Tian, Hongqiang Zhang, Yadong Wang

    Published 2025-01-01
    “…The frequent bending of shearer cables during operation often leads to mechanical fatigue, posing risks to equipment safety. …”
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    A Wide-Band High-Resolution Transmitter for Optical Isolation Amplifier by Chengying Chen, Lixia Bai, Yunrong Zhu, Tiancheng Wu

    Published 2020-01-01
    “…A wide-band and high-resolution transmitter of optical isolation amplifier is proposed for switching power supply isolation and servo motor drive applications. …”
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  17. 777

    Preconditioning Filter Bank Decomposition Using Structured Normalized Tight Frames by Martin Ehler

    Published 2015-01-01
    “…We turn a given filter bank into a filtering scheme that provides perfect reconstruction, synthesis is the adjoint of the analysis part (so-called unitary filter banks), all filters have equal norm, and the essential features of the original filter bank are preserved. …”
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  18. 778

    n-GaAs Band-Edge Repositioning by Modification with Metalloporphyrin/Polysiloxane Matrices by Hikmat S. Hilal, Moayyad Masoud, Samar Shakhshir, Najeh Jisraw

    Published 2003-01-01
    “…The results indicated a positive shift in the value of the flat-band potential of the semiconductor due to MnP. This was manifested by shifting the values of the dark-current onset potential and the photo-current open-circuit potential towards more positive values. …”
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    Central Bank Digital Currencies: Benefits, Risks and the Role of Blockchain Technology by Jonas Groß, Manuel Klein, Philipp Sandner

    Published 2020-07-01
    “…The main motives are higher financial stability, higher security and efficiency of payment systems and a higher degree of automation of business processes. Furthermore, the risks of CBDCs are presented and the current state of development at the European Central Bank (ECB) is discussed.…”
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